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drm/amdgpu: remove unused code

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Remove unused code related to shadow BO.

v2: removing shadow bo ptr from base class.

Signed-off-by: Nirmoy Das <nirmoy.das@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Nirmoy Das 2021-05-25 21:09:48 +02:00 • committed by Alex Deucher
parent 59276f056f
commit 9c3fec688f
2 changed files with 0 additions and 35 deletions
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29
drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
View file

@ -614,35 +614,6 @@ fail_unreserve:
return r;
}
int amdgpu_bo_create_shadow(struct amdgpu_device *adev,
unsigned long size,
struct amdgpu_bo *bo)
{
struct amdgpu_bo_param bp;
int r;
if (bo->shadow)
return 0;
memset(&bp, 0, sizeof(bp));
bp.size = size;
bp.domain = AMDGPU_GEM_DOMAIN_GTT;
bp.flags = AMDGPU_GEM_CREATE_CPU_GTT_USWC;
bp.type = ttm_bo_type_kernel;
bp.resv = bo->tbo.base.resv;
bp.bo_ptr_size = sizeof(struct amdgpu_bo);
r = amdgpu_bo_create(adev, &bp, &bo->shadow);
if (!r) {
bo->shadow->parent = amdgpu_bo_ref(bo);
mutex_lock(&adev->shadow_list_lock);
list_add_tail(&bo->shadow->shadow_list, &adev->shadow_list);
mutex_unlock(&adev->shadow_list_lock);
}
return r;
}
/**
* amdgpu_bo_create_user - create an &amdgpu_bo_user buffer object
* @adev: amdgpu device object

6
drivers/gpu/drm/amd/amdgpu/amdgpu_object.h
View file

@ -104,9 +104,6 @@ struct amdgpu_bo {
struct amdgpu_vm_bo_base *vm_bo;
/* Constant after initialization */
struct amdgpu_bo *parent;
struct amdgpu_bo *shadow;
#ifdef CONFIG_MMU_NOTIFIER
struct mmu_interval_notifier notifier;
@ -300,9 +297,6 @@ int amdgpu_bo_create_vm(struct amdgpu_device *adev,
struct amdgpu_bo_vm **ubo_ptr);
void amdgpu_bo_free_kernel(struct amdgpu_bo **bo, u64 *gpu_addr,
void **cpu_addr);
int amdgpu_bo_create_shadow(struct amdgpu_device *adev,
unsigned long size,
struct amdgpu_bo *bo);
int amdgpu_bo_kmap(struct amdgpu_bo *bo, void **ptr);
void *amdgpu_bo_kptr(struct amdgpu_bo *bo);
void amdgpu_bo_kunmap(struct amdgpu_bo *bo);